What (Windows, macOS, Linux) is your connected computer running?
Open a web browser on your wired computer. Enter the router's default IP address into the address bar (common defaults include 192.168.1.1 or 192.168.0.1 ). Enter your admin username and password when prompted. If you never changed these, check the sticker on the bottom of the router for the default login credentials. Step 3: Navigate to the Firmware Upgrade Menu
Once the upload is complete, the device will reboot automatically. You may lose connection to the web interface temporarily.